Delaware County, New York

Delaware County
Delaware County Courthouse
Location within the U.S. state of New York
New York's location within the U.S.
Coordinates: 42°12′N 74°58′W / 42.2°N 74.96°W / 42.2; -74.96
Country United States
State New York
Founded1797
Named afterDelaware River
SeatDelhi
Largest villageSidney
Area
  Total
1,467 sq mi (3,800 km2)
  Land1,442 sq mi (3,730 km2)
  Water25 sq mi (60 km2)  1.7%
Population
 (2020)
  Total
44,308
  Density30.7/sq mi (11.9/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Congressional district19th
Websitedelcony.us

Delaware County is a county located in the US state of New York. As of the 2020 United States census, the population was 44,308. The county seat is Delhi. The county is named after the Delaware River, which was named in honor of Thomas West, 3rd Baron De La Warr, appointed governor of Virginia in 1609. The county is part of the Southern Tier region of the state.